#41 Possibility to exclude Options if other option is present

Target on fixing the above scenario. Specifically for -h, which let -h
possibly forbids other options.
Revert "#41 Possibility to exclude Options if other option is present"

This reverts commit 34154348335d67c3720a787fb385857eb8869469.
Remove .class files
Flipped the method name as it does the opposite of what it says
Tweaking the message name
<code> around <pre> makes no sense
Fixing English
This parameter defaults to TXT
Merge branch 'pull-63'

Conflicts:
	args4j-maven-plugin/src/main/java/org/kohsuke/args4j/maven/Args4jUsageMojo.java